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Making Molecules

Making Molecules. First, Look at the Periodic Table. [_____________________] [_____] [___________________] [___] donors share acceptors selfish

athena-gibson
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Making Molecules

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  1. Making Molecules

  2. First, Look at the Periodic Table [_____________________] [_____] [___________________] [___] donors share acceptors selfish Elements are “happiest” when they have all of their possible 8 valence electrons filled; just like people are happiest when their belly is filled. If they have less, they will seek out other elements to share electrons, and thus complete their mission to fill their outer electron energy levels.

  3. Groups 1,2,13, are all givers of electrons. We call them “electron donors”. Group 15 – 17 are takers of electrons. We call them “electron acceptors”. Group 18 are the “noble” elements, and therefore do not share with other elements.

  4. Row 14, with elements like Carbon and Silicon like some people we all know, work best in groups!

  5. If Sodium and Chlorine find each other, they will combine easily to make Sodium Chloride – table salt.

  6. Magnesium & Oxygen combine to form Magnesium Oxide. It requires lots of energy because it’s TWO electrons that move instead of one. But, involving more electrons, also means vast energy is given off, once the reaction starts!

  7. Noble elements, or those on the right side of the periodic table will not combine with anything! They’re completely happy with their 8 electrons that fill their energy levels.

  8. Larger molecules with more than two atoms can be combined, like 3 Sodium + 1 Phosphorus. They share the correct number of atoms to fill the valence electrons with 8 to create Trisodium Phosphide.

  9. Of course, an easy one to recognize is H2O - water.

  10. Sugar – C6H12O6To read about sugars and other carbon chain nutrients, here’s the link for you! carbon chain molecules

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